Hello, It is presently pretty hard to follow common abscissae accross the 3 plots. You might add x grids (vertical lines at the x graduations). See for instance xgrid() or gca().grid: https://help.scilab.org/docs/6.0.0/en_US/xgrid.html https://help.scilab.org/docs/6.0.0/en_US/axes_properties.html BR Samuel Gougeon